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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Study compares the use of five different methods for the computer solution of the restricted three-body problem. It describes the implementation of each method on a burroughs B-5000 computer and in terms of speed and accuracy.
Comparative levels and types of microbial contamination defected in industrial clean rooms
Comparative tensile and fatigue properties of welded Centaur stainless steel tank joint configurations at room and liquid hydrogen temperatures
Comparative analysis of solar-thermionic and photovoltaic power systems for solar and planetary probes
Manual for installation, operation and maintenance of acoustic spectra comparator and recorder
Human walking and running performance in earth gravity compared to performance in simulated lunar gravity
Nonlinear theory for equilibrium deformation of shells compared with classical three-dimensional theory of elasticity
Comparative effects of prolonged rotation at 10 rpm on postural equilibrium in vestibular normal and vestibular defective human subjects
Age of Bosumtwi crater area, Ghana, determined by mass spectrometry of rubidium, strontium and strontium isotopic composition, compared to Ivory Coast tektite age
Pyroelectric heat-transfer sensor performance compared with thin skin thermocouple heat sensors, noting discrepancy in measurement results in severe environment
Comparative effects of prolonged rotation at 10 rpm on postural equilibrium in vestibular normal and defective human subjects
Emf comparing device nondestructively inspects metals and alloys for conformance to a chemical specification. It uses the Seebeck effect to measure the difference in emf produced by the junction of a hot probe and the junction of a cold contact on the surface of an unknown metal.
Stable ac phase and amplitude comparator detects excessive vehicle maneuvering or vibration. It has phase demodulation, low-pass filter, and multiple threshold-setting capability designed specifically for low drifts over a wide range of temperatures.
Castable polyurethane and thin film forming conformal coating materials compared and evaluated for use as environmental protective coating
Comparative morphology and physiology of excretion
Critical examination of equations for atmospheric number-density calculations, and computed values compared with observations
General and comparative biology of terrestrial organisms under experimental stress conditions